Pianist Daniil Trifonov (Credit: Dario Acosta)

Many of the concerts at Symphony Center are one-time-only events for which Orchestra Hall’s 2,500 seats are nearly sold out. But attention must be paid to the hours of remarkable music-making brought to the stage. Here are a few recent cases in point.

A rehearsal of the Civic Orchestra of Chicago. (WTTW News)

Chicago is home to the only training orchestra in North America. And while it’s blooming with youth, the Civic Orchestra of Chicago is turning 100 this season. We sit in on a rehearsal to hear the dynamic sound that only an orchestra can make.